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SLOVENSKI STANDARD
01-februar-2019
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Safety Requirements for Power Electronic Converter Systems and Equipment - Part 2:
Power Electronic Converters from 1000 V a.c. or 1500 V d.c. up to 36 kV a.c. or 54 kV
d.c. (IEC 62477-2:2018)
Exigences de sécurité applicables aux systèmes et matériels électroniques de
conversion de puissance - Partie 2: Convertisseurs électroniques de puissance entre 1
000 V en courant alternatif ou 1 500 V en courant continu et 36 kV en courant alternatif
ou 54 kV en courant continu (IEC 62477-2:2018)
Exigences de sécurité applicables aux systèmes et matériels électroniques de
conversion de puissance - Partie 2: Convertisseurs électroniques de puissance entre 1
000 V en courant alternatif ou 1 500 V en courant continu et 36 kV en courant alternatif
ou 54 kV en courant continu (IEC 62477-2:2018)
Ta slovenski standard je istoveten z: EN IEC 62477-2:2018
ICS:
29.200 8VPHUQLNL3UHWYRUQLNL Rectifiers. Convertors.
6WDELOL]LUDQRHOHNWULþQR Stabilized power supply
QDSDMDQMH
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
EUROPEAN STANDARD EN IEC 62477-2
NORME EUROPÉENNE
EUROPÄISCHE NORM
September 2018
ICS 29.200
English Version
Safety requirements for power electronic converter systems and
equipment - Part 2: Power electronic converters from 1 000 V
AC or 1 500 V DC up to 36 kV AC or 54 kV DC
(IEC 62477-2:2018)
Exigences de sécurité applicables aux systèmes et Sicherheitsanforderungen an Leistungshalbleiter-
matériels électroniques de conversion de puissance - Partie Umrichtersysteme und -Betriebsmittel - Teil 2:
2: Convertisseurs électroniques de puissance entre 1 000 V Leistungselektronik Umrichter von 1 000 V a.c. oder 1 500
en courant alternatif ou 1 500 V en courant continu et 36 kV V d.c. bis 36 kV a.c. oder 54 kV d.c.
en courant alternatif ou 54 kV en courant continu (IEC 62477-2:2018)
(IEC 62477-2:2018)
This European Standard was approved by CENELEC on 2018-07-26. CENELEC members are bound to comply with the CEN/CENELEC
Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration.
Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the CEN-CENELEC
Management Centre or to any CENELEC member.
This European Standard exists in three official versions (English, French, German). A version in any other language made by translation
under the responsibility of a CENELEC member into its own language and notified to the CEN-CENELEC Management Centre has the
same status as the official versions.
CENELEC members are the national electrotechnical committees of Austria, Belgium, Bulgaria, Croatia, Cyprus, the Czech Republic,
Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia,
Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden,
Switzerland, Turkey and the United Kingdom.
European Committee for Electrotechnical Standardization
Comité Européen de Normalisation Electrotechnique
Europäisches Komitee für Elektrotechnische Normung
CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels
© 2018 CENELEC All rights of exploitation in any form and by any means reserved worldwide for CENELEC Members.
Ref. No. EN IEC 62477-2:2018 E
European foreword
The text of document 22/290/FDIS, future edition 1 of IEC 62477-2, prepared by IEC/TC 22 "Power
electronic systems and equipment" was submitted to the IEC-CENELEC parallel vote and approved by
CENELEC as EN IEC 62477-2:2018.
The following dates are fixed:
• latest date by which the document has to be implemented at national (dop) 2019-04-26
level by publication of an identical national standard or by endorsement
• latest date by which the national standards conflicting with the (dow) 2021-07-26
document have to be withdrawn
Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. CENELEC shall not be held responsible for identifying any or all such patent rights.
Endorsement notice
The text of the International Standard IEC 62477-2:2018 was approved by CENELEC as a European
Standard without any modification.
In the official version, for Bibliography, the following notes have to be added for the standards
indicated:
IEC 60071-1:2006 NOTE Harmonized as EN 60071-1:2006 (not modified)
IEC 60071-2:1996 NOTE Harmonized as EN 60071-2:1997 (not modified)
IEC 60146-1-1 NOTE Harmonized as EN 60146-1-1
IEC 60243-1:2013 NOTE Harmonized as EN 60243-1:2013 (not modified)
IEC 60529:1989 NOTE Harmonized as EN 60529:1991 (not modified)
IEC 60721-3 series NOTE Harmonized as EN 60721-3 series
IEC 60990:2016 NOTE Harmonized as EN 60990:2016 (not modified)
IEC 61936-1 NOTE Harmonized as EN 61936-1
IEC 62271-200:2011 NOTE Harmonized as EN 62271-200:2012 (not modified)
IEC 62271-201:2014 NOTE Harmonized as EN 62271-201:2014 (not modified)
Annex ZA
(normative)
Normative references to international publications
with their corresponding European publications
The following documents are referred to in the text in such a way that some or all of their content
constitutes requirements of this document. For dated references, only the edition cited applies. For
undated references, the latest edition of the referenced document (including any amendments)
applies.
NOTE 1 Where an International Publication has been modified by common modifications, indicated by (mod), the relevant
EN/HD applies.
NOTE 2 Up-to-date information on the latest versions of the European Standards listed in this annex is available here:
www.cenelec.eu.
Publication Year Title EN/HD Year
IEC 60204-11 - Safety of machinery - Electrical equipment - -
of machines - Part 11: Requirements for
equipment for voltages above 1 000 V AC
or 1 500 V DC and not exceeding 36 kV
IEC 60417-DB - Graphical symbols for use on equipment - -
IEC 60617-DB - Graphical symbols for diagrams - -
IEC 60730-1 - Automatic electrical controls - Part 1: EN 60730-1 -
General requirements
IEC 61230 - Live working - Portable equipment for EN 61230 -
earthing or earthing and short-circuiting
IEC 62271-102 - High-voltage switchgear and controlgear - EN IEC 62271-102 -
Part 102: Alternating current disconnectors
and earthing switches
IEC 62477-1 2012 Safety requirements for power electronic EN 62477-1 2012
converter systems and equipment - Part 1:
General
- - + A11 2014
+ A1 2016 + A1 2017
IEC Guide 104 - The preparation of safety publications and - -
the use of basic safety publications and
group safety publications
ISO/IEC Guide 51 2014 Safety aspects - Guidelines for their - -
inclusion in standards
IEC 62477-2
Edition 1.0 2018-06
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
GROUP SAFETY PUBLICATION
PUBLICATION GROUPÉE DE SÉCURITÉ
Safety requirements for power electronic converter systems and equipment –
Part 2: Power electronic converters from 1 000 V AC or 1 500 V DC up to 36 kV
AC or 54 kV DC
Exigences de sécurité applicables aux systèmes et matériels électroniques de
conversion de puissance –
Partie 2: Convertisseurs électroniques de puissance entre 1 000 V en courant
alternatif ou 1 500 V en courant continu et 36 kV en courant alternatif ou 54 kV
en courant continu
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
INTERNATIONALE
ICS 29.200 ISBN 978-2-8322-5787-6
– 2 – IEC 62477-2:2018 © IEC 2018
CONTENTS
FOREWORD . 7
INTRODUCTION . 9
1 Scope . 10
2 Normative references . 11
3 Terms and definitions . 11
4 Protection against hazards . 12
4.1 General . 12
4.2 Fault and abnormal conditions . 13
4.3 Short-circuit and overload protection . 14
4.3.1 General . 14
4.3.2 Specification of input short-circuit withstand strength and output short-
circuit current ability . 14
4.3.3 Short-circuit coordination (backup protection) . 14
4.3.4 Protection by several devices . 14
4.3.5 Input ports short time withstand current, I . 14
cw
4.4 Protection against electric shock . 14
4.4.1 General . 14
4.4.2 Decisive voltage class . 15
4.4.3 Provision for basic protection . 16
4.4.4 Provision for fault protection . 17
4.4.5 Enhanced protection . 18
4.4.6 Protective measures . 18
4.4.7 Insulation . 19
4.4.8 Compatibility with residual current-operated protective devices (RCD) . 24
4.4.9 Capacitor discharge . 24
4.5 Protection against electrical energy hazards . 26
4.5.1 Operator access areas. 26
4.5.2 Service access areas . 28
4.6 Protection against fire and thermal hazards . 28
4.6.1 Circuits representing a fire hazard . 28
4.6.2 Components representing a fire hazard . 28
4.6.3 Fire enclosures . 28
4.6.4 Temperature limits . 29
4.6.5 Limited power sources . 29
4.7 Protection against mechanical hazards . 29
4.7.1 General . 29
4.7.2 Specific requirements for liquid cooled PECS . 29
4.8 Equipment with multiple sources of supply . 30
4.9 Protection against environmental stresses . 30
4.10 Protection against sonic pressure hazards . 30
4.10.1 General . 30
4.10.2 Sonic pressure and sound level . 31
4.11 Wiring and connections . 31
4.11.1 General . 31
4.11.2 Routing . 31
4.11.3 Colour coding . 31
4.11.4 Splices and connections . 31
IEC 62477-2:2018 © IEC 2018 – 3 –
4.11.5 Accessible connections . 31
4.11.6 Interconnections between parts of the PECS . 31
...